EFFECT OF CERAMIC POWDER SLURRY ON SPORES OF BACILLUS SUBTILIS

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著者

    • SAWAI Jun
    • Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology
    • IGARASHI Hideo
    • Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology
    • HASHIMOTO Atsushi
    • Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology
    • KOKUGAN Takao
    • Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology
    • SHIMIZU Masaru
    • Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology Department of Chemical Engineering, Division of Chemical & Biological Science and Technology, Tokyo University of Agriculture and Technology

抄録

The effects of magnesium oxide (MgO), calcium oxide (CaO), and zinc oxide (ZnO) powder slurries on spores of <I>Bacillus subtilis</I> were examined. The CaO and MgO powder slurries were able to kill the spores of <I>B. subtilis</I> in physiological saline. The efficacy of the CaO powder slurry was much higher than that of the MgO powder slurry. It was considered that the efficacy of the CaO powder slurry against the spores depended on effects of Ca<SUP>2+</SUP> and some factors due to contact between spores and the CaO powders. When the spores and nutrients such as growth medium existed together, it was observed that the MgO, CaO and ZnO powder slurries exhibited antibacterial activity against spores of <I>B. subtilis</I>. There was no difference in sensitivity to the ceramic powder slurry between the vegetative cells and the spores of <I>B. subtilis</I>. Further, the supernatant of the ceramic powder slurries promoted the germination of the spores. Therefore, it was suggested that the ceramic powder slurries weakened a high dormancy of spores, and acted on the germinated spores.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 28(5), 556-561, 1995-10 

    The Society of Chemical Engineers, Japan

参考文献:  28件

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被引用文献:  12件

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各種コード

  • NII論文ID(NAID)
    10002134418
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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